Home / 35,905.98-49,549.30-19,990.44

Finding the Fourth Proportional to 35,905.98, 49,549.30 and 19,990.44

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Solution

The fourth proportional to 35,905.98, 49,549.30 and 19,990.44 is: 27,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.98 : 49,549.30 = 19,990.44 : x
  2. Step 2: Convert to fraction form
    35,905.98/49,549.30 = 19,990.44/x
  3. Step 3: Cross multiply
    35,905.98x = 49,549.30 × 19,990.44
  4. Step 4: Simplify right side
    35,905.98x = 990,512,308.69
  5. Step 5: Solve for x
    x = 990,512,308.69/35,905.98
  6. Step 6: Final answer
    x = 27,586.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.